[U-Boot] [PATCH] env: don't add an empty key to the env hashtable

[Wolfgang Denk]

Dear Lucian Cojocar,

In message <517C5A5A.2010106 at gmail.com> you wrote:
>
> I had an error (typo) in my predefined environment. Basically I had this:
> 
> #define CONFIG_EXTRA_ENV_SETTINGS \
> 	"key" "\0" "=value" "\0"
> 
> It would be nice if U-Boot told me that there was something wrong with 
> my environment rather than just hang.

Agreed - it should throw an error.

Best regards,

Wolfgang Denk

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